Freightliner 12 Speed Tandem Axle Sleeper Semi Trucks For Sale

36 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$79,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, DETROIT DD15 / AUTOMATIC TRANMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2021...

Condition	Used
Usage	357,184 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	6937
MLS Number	13794524
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

29 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$75,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, 2021 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, 359,000...

Condition	Used
Usage	359,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	6889
MLS Number	13773660
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

48 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 505HP, 12 Speed Dt12 Automatic

$67,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, DETROIT DD15 / AUTOMATIC TRANSMISSION / APU / PTO / FLEET MAINTAINED / FINANCING AVAILABLE...

Condition	Used
Usage	428,111 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	5778
MLS Number	13688194
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

46 0

2023 Freightliner Cascadia 126 Sleeper Semi Truck - Mid Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$94,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, GEN5 DETROIT DD15 / DT12 AUTOMATIC TRANSMISSION / APU / REMAINING WARRANTY / FINANCING...

Condition	Used
Usage	338,539 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Mid Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	4704
MLS Number	13482068
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

38 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$73,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, DETROIT DD15 / DT12 AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2021...

Condition	Used
Usage	376,534 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	4979
MLS Number	13437037
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

34 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 455HP, 12 Speed Dt12 Automatic

$74,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!***, DETROIT DD15 / DETROIT DT12 AUTOMATIC / FINANCING AVAILABLE / FLEET MAINTAINED 2021...

Condition	Used
Usage	366,068 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	0613
MLS Number	13436837
Category	Sleeper Semi Trucks
Last Updated	12/21/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

10 0

2017 Freightliner Cascadia 125 Sleeper Semi Truck - 60" Mid Roof Sleeper, 450HP, 12 Speed Automatic

Price Drop

$51,495 USD

Condition	Used
Usage	394,422 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13 GHG'17 450/1625
Transmission	12 Speed
Sleeper Type	Mid Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	675508
MLS Number	13248796
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Dallas, TX, US
Sold By	Ryder

9 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$47,500 USD

Condition	Used
Usage	753,781 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	266769
MLS Number	14054286
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Miami, FL, US
Sold By	Ryder

11 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 80" Condo Sleeper, 455HP, 12 Speed Automatic

$36,657 USD

Condition	Used
Usage	816,299 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	80"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	878832
MLS Number	14054280
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Tampa, FL, US
Sold By	Ryder

13 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 48" Condo Sleeper, 455HP, 12 Speed Automatic

$43,069 USD

Condition	Used
Usage	908,379 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	48"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	569072
MLS Number	14054278
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Converse, TX, US
Sold By	Ryder

9 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$50,659 USD

Condition	Used
Usage	540,582 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	877982
MLS Number	14054277
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Montebello, CA, US
Sold By	Ryder

10 0

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 71" Condo Sleeper, 455HP, 12 Speed Automatic

$47,916 USD

Condition	Used
Usage	628,442 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	71"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	884463
MLS Number	14054275
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Doraville, GA, US
Sold By	Ryder

16 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - 60" Condo Sleeper, 455HP, 12 Speed Automatic

$46,080 USD

Condition	Used
Usage	774,662 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15'17 GHG 455/1625
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.16 ratio
Stock Number	504189
MLS Number	14054269
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Commerce City, CO, US
Sold By	Ryder

12 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 68" Condo Sleeper, 455HP, 12 Speed Automatic

$47,479 USD

Condition	Used
Usage	675,811 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'17 455/1650
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	68"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	3.08 ratio
Stock Number	835431
MLS Number	14054267
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Phoenix, AZ, US
Sold By	Ryder

12 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 70" Condo Sleeper, 455HP, 12 Speed Automatic

$52,582 USD

Condition	Used
Usage	768,486 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	405904
MLS Number	14054266
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Phoenix, AZ, US
Sold By	Ryder

9 0

2019 Freightliner Cascadia Sleeper Semi Truck - 73" Condo Sleeper, 455HP, 12 Speed Automatic

$37,910 USD

Condition	Used
Usage	823,886 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15'17 GHG 455/1625
Transmission	12 Speed
Sleeper Type	Condo Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	578649
MLS Number	14054251
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Atlanta, GA, US
Sold By	Ryder

9 0

2022 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Condo Sleeper, 455HP, 12 Speed Automatic

$61,554 USD

Condition	Used
Usage	665,960 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	DD15 GHG'21 455/1500
Transmission	12 Speed Automatic
Sleeper Type	Condo Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.85 ratio
Stock Number	574703
MLS Number	14054250
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Bolingbrook, IL, US
Sold By	Ryder

23 0

2016 Freightliner Cascadia 113 Sleeper Semi Truck - 60" Integral Sleeper, 450HP, 12 Speed Automatic

$35,750 USD

Used 2016 Freightliner Cascadia 113 Sleeper Semi Truck for sale, 634,388 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	634,388 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	718557
MLS Number	14053712
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

23 0

2016 Freightliner Cascadia 113 Sleeper Semi Truck - 60" Integral Sleeper, 450HP, 12 Speed Automatic

$18,000 USD

Used 2016 Freightliner Cascadia 113 Sleeper Semi Truck for sale, 554,269 miles, 450HP DD13 diesel engine, 12-speed Detroit automatic transmission, 60" integral sleeper, tandem rear axle, air...

Condition	Used
Usage	554,270 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	DD13
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.23 ratio
Stock Number	718555
MLS Number	14053706
Category	Sleeper Semi Trucks
Last Updated	12/23/2025
Location	Phoenix, AZ, US
Sold By	Penske Used Trucks

42 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit 455HP, 12 Speed Dt12 Automatic

$65,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!*** 2020 FREIGHTLINER CASCADIA 126, DETROIT DD15, DETROIT DT12 AUTOMATIC TRANSMISSION, LOW...

Condition	Used
Usage	386,333 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	0725
MLS Number	14029242
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

19 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Integral Sleeper

$54,750 USD

Used 2020 Freightliner Cascadia 126 Sleeper Semi Truck for sale, 541,737 miles, 400 HP DD15AT diesel engine, 12-speed Detroit automatic transmission, 72" integral sleeper, air ride...

Condition	Used
Usage	541,737 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.27 ratio
Stock Number	718375
MLS Number	13766979
Category	Sleeper Semi Trucks
Last Updated	12/25/2025
Location	Rockwall, TX, US
Sold By	Penske Used Trucks

38 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$66,995 USD

***Our End-of-Year Sale is here — save up to $3,500 off on select trucks until December 31!*** DETROIT DD15 / AUTOMATIC TRANSMISSION / FLEET MAINTAINED / FINANCING AVAILABLE 2020...

Condition	Used
Usage	374,948 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	0244
MLS Number	14029184
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

17 0

2019 Freightliner Cascadia 125 Sleeper Semi Truck - 72" Integral Sleeper, 400HP, 12 Speed Automatic

$47,250 USD

Used 2019 Freightliner Cascadia 125 Sleeper Semi Truck with 400HP DD15AT engine, 12-speed Detroit automatic transmission, 72" integral sleeper, tandem rear axle, and air ride suspension....

Condition	Used
Usage	586,089 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	DD15AT
Transmission	12 Speed Automatic
Sleeper Type	Integral Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.27 ratio
Stock Number	717814
MLS Number	14016490
Category	Sleeper Semi Trucks
Last Updated	12/24/2025
Location	Rockwall, TX, US
Sold By	Penske Used Trucks

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28 0

2024 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP

$144,900 USD

EXT WIRING COMPLETE 60 Months 02/09/Miles, EXT TRUCK COVERAGE 1 60 Months 02/09/Miles, EXT DETROIT EW4 CARB COMPLIANT COVERAGE 60 Months 02/09/Miles,

Condition	Used
Usage	153,058 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	266906
MLS Number	14025437
Category	Sleeper Semi Trucks
Last Updated	12/20/2025
Location	Tampa, FL, US
Sold By	Southport Truck Group